共 43 条
[3]
ANDERSON JE, 1979, AM ECON REV, V69, P106
[4]
[Anonymous], 2013, IIDE DISCUSSION PAPE
[7]
Baldwin R., 2006, NBER Working Papers, V12516
[10]
Does gravity matter in a service economy?
[J].
REVIEW OF WORLD ECONOMICS,
2006, 142 (02)
:307-329